<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <!-- HTML：定义网页的结构和内容 -->
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Web标准示例</title>
    <!-- CSS：定义网页的样式和外观 -->
    <style>
        body {
            font-family: '微软雅黑', Arial, sans-serif;
            background-color: #f0f0f0;
            margin: 0;
            padding: 20px;
        }
        h1 {
            color: #333;
            text-align: center;
        }
        .box {
            background-color: white;
            padding: 20px;
            margin: 20px auto;
            width: 80%;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .box:hover {
            transform: translateY(-5px);
        }
        button {
            background-color: #4CAF50;
            color: white;
            border: none;
            padding: 10px 20px;
            cursor: pointer;
            border-radius: 5px;
        }
        button:hover {
            background-color: #45a049;
        }
    </style>
</head>
<body>
    <h1>欢迎来到Web开发概述（HTML）课程的课堂！</h1>
    <div class="box">
        <p>这个页面展示了Web三大核心技术的结合使用。</p >
        <button id="clickBtn">Click Me！</button>
    </div>
    
    <!-- JavaScript：定义网页的行为和交互 -->
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const button = document.getElementById('clickBtn');
            let clickCount = 0;
            
            button.addEventListener('click', function() {
                clickCount++;
                if (clickCount === 1) {
                    alert('Hello, 欢迎来到乐园!');
                } else if (clickCount === 2) {
                    alert('你再次点开了我,请问有什么事吗！');
                } else if (clickCount === 3) {
                    alert('别点了你这杂鱼！！');
                } else {
                    alert('你已经点击了' + clickCount + '次按钮！杂鱼杂鱼!嗯嗯嗯齁齁齁齁！');
                }
            });
        });
    </script>
</body>
</html>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>我的第一个网页</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <header>
        <h1>欢迎来到我的网站</h1>
        <nav>
            <ul>
                <li><a href="https://cn.bing.com/images/search?q=%e5%a3%81%e7%ba%b8&qpvt=%e5%a3%81%e7%ba%b8&form=IGRE&first=1">看看</a></li>
                <li><a href="#about">关于</a></li>
                <li><a href="#contact">联系</a></li>
            </ul>
        </nav>
    </header>
    
    <main>
        <section>
            <h2>最新动态</h2>
            <p>这是网站的主要内容区域。</p>
        </section>
    </main>
    
    <footer>
        <p>&copy; 2023 我的网站. 保留所有权利。</p>
    </footer>
    
    <script src="script.js"></script>
    <img src="https://ts3.tc.mm.bing.net/th/id/OIP-C.ivzIxeqK8KQ7YPO9Jbd6dwHaHQ?rs=1&pid=ImgDetMain&o=7&rm=3" alt="some_text">
</body>
</html>